Ch 27, problem 9 Light of wavelength 580 nm (in vacuum) is incident perpendicularly on a soap film (n = 1.35) suspended in air. What are the two smallest nonzero film thicknesses (in nm) for which reflected light undergoes constructive interference? Let (a) be the smaller of the two values. Let (b) be the larger of the two values.

Ch 27, problem 9 Light of wavelength 580 nm (in vacuum) is incident perpendicularly on a soap film (n = 1.35) suspended in air. What are the two smallest nonzero film thicknesses (in nm) for which reflected light undergoes constructive interference? Let (a) be the smaller of the two values. Let (b) be the larger of the two values.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter27: Wave Optics

Section: Chapter Questions

Problem 58P

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

Question

Ch 27, problem 9

Light of wavelength 580 nm (in vacuum) is incident perpendicularly on a soap film (n = 1.35) suspended in air. What are the two smallest nonzero film thicknesses (in nm) for which reflected light undergoes constructive interference? Let (a) be the smaller of the two values. Let (b) be the larger of the two values.

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